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Precipitated Silica as a Matting Agent

This product series is manufactured using a specialized production process and boasts advantages such as high transparency, excellent oil absorption, large specific surface area, high pore volume, and outstanding matting performance—making it ideal for industries like paints and coatings.

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Precipitated Silica as a Matting Agent
Project	280A	280C	High pore volume	Uses
SiO2 (after calcination)%	≥97	≥97	≥97	This product series is manufactured using a specialized production process and boasts advantages such as high transparency, excellent oil absorption, large specific surface area, high pore volume, and superior matting performance—making it ideal for applications in industries like paints and coatings.
Heating Loss %	≤5.5	≤5.0	≤5.5
Loss on ignition %	≤6.0	≤6.0	≤8.0
pH level	6.0–7.0	6.0–7.0	6.0–7.0
BET specific surface area, m²/g	240–300	220–300	200–800
Kongrong ml/g	2.0–2.6	2.0–2.8	1.5–2.4
Total iron content: mg/kg	≤400	≤400	≤400
DBP absorption value ml/g	3.0–3.5	3.2–3.5	1.5–2.8
Water-soluble substances %	≤0.5	≤0.5	≤0.5